Finding the Fourth Proportional to 531,170.39, 733,006.05 and 289,455.05
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Solution
The fourth proportional to 531,170.39, 733,006.05 and 289,455.05 is: 399,443.02
Step by Step Solution
- Step 1: Write the proportion equation
531,170.39 : 733,006.05 = 289,455.05 : x - Step 2: Convert to fraction form
531,170.39/733,006.05 = 289,455.05/x - Step 3: Cross multiply
531,170.39x = 733,006.05 × 289,455.05 - Step 4: Simplify right side
531,170.39x = 212,172,302,853.05 - Step 5: Solve for x
x = 212,172,302,853.05/531,170.39 - Step 6: Final answer
x = 399,443.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.